Magnetic activity of the solar-like star HD 140538 M. Mittag, J. H. M. M. Schmitt, T. S. Metcalfe, A. Hempelmann and K.-P. Schröder A&A, 628 (2019) A107 Published online: 14 August 2019 DOI: 10.1051/0004-6361/201935654